Today's rain: Rain moistens the earth and the weather is new

　　Chinanews.com, Beijing, February 19th (Reporter Shangguan Yun) As the stars move, winter goes to spring.

"Rain" is the second solar term in spring, which happens to be in the number nine of "seven nine".

　　This solar term is of great significance to agricultural production, which means that spring is coming, and there is a thriving scene everywhere.

People also predict the future weather changes based on the temperature and temperature of the rainy season, precipitation, etc.

　　The customs of the rainy solar term include receiving birthdays, going back to the mother's house, bumping into worship, and occupying the color of rice, etc.

In ancient Chinese poetry, there is also a lot of beauty of time and phenology.

Data map: Weeping willows on the banks of Xuanwu Lake spit out tender shoots.

Photo by Yang Bo

The east wind thaws and turns into rain

　　Rain is the second solar term in the twenty-four solar terms.

　　"The Collection of Seventy-two Hours of the Moon Order" records: "In the middle of the first month, water is born in the sky, and spring begins to belong to wood. However, those who grow wood must also have water, so rain follows after the beginning of spring. And the east wind thaws, and it disperses and becomes rain. .”

　　Rain means the time of vitality and vitality, and it is also a sign of the coming of spring.

At this time, suitable precipitation is very important for crop growth.

　　Although the solar term is named "Rain", it does not necessarily rain during this period.

To a greater extent, it means that after the rain, the precipitation began to increase.

　　People also predict the future weather changes based on the temperature of rain, precipitation, etc.

For example, the proverbs mention "cold rain, warm sting", "warm rain, cold sting", or "when rain comes from the east, there will be rain in dog days".

What is "three seasons of rain"?

　　The ancients divided the solar term of rain into three periods: "The first period is when otters sacrifice fish; the second period is when swan geese come; the third period is when plants sprout." 

Data map: The picture shows apricot blossoms in the countryside.

Photo by Li Yufeng

　　In addition, solar terms are often regarded as a time period.

Taking rainwater as an example, from the time it comes to the next solar term, the 15 days are considered as the period of rainwater solar terms.

　　Animals and plants in nature move according to certain seasons, such as plant germination, leaf growth, flowering, and fruiting; animal hibernation, migration, etc., are all related to climate change, and these phenomena are commonly referred to as phenology.

　　Taking one year as the timeline, the calculation of phenology in ancient China generally takes five days as a pentad, and the "three climes" within a solar term often include animal phenology, plant phenology, and natural phenomena.

　　Solar terms and phenology remind people to adapt to the weather and adjust their living habits in time.

"Three waiting times for rain" means that the river breaks ice, the swan geese return, and people are busy preparing for spring plowing.

　　As the saying goes, "spring covers autumn and freezes", this is also a health-preserving principle put forward in terms of dressing according to the characteristics of climate change in spring.

As the weather gets warmer, people gradually wear cotton sheets, but at this time, it is still warm and cold, so we should still pay attention to keeping warm.

　　Liver fire is strong in spring, so you should pay attention to regulating your emotions in order to nourish your spleen.

Eat less spicy and greasy meals for three meals a day, and eat foods rich in plant protein and vitamins, such as celery, carrots, yams, etc.

The beauty of solar terms and phenology

　　There are not many customs of the rainy solar term, mainly including receiving birthdays, returning to the mother's house, and bumping into worship and sending.

Data map: Pieces of rapeseed flowers are in full bloom.

Photo by Liu Zhining

　　It is said that the custom of rainwater taking up the color of rice is popular in some places.

That is, by frying glutinous rice flower to predict the harvest and quality of the rice in that year. In the past, people believed that it was a good omen if more rice flower popped out.

　　In addition, there are twenty-four seasons from Xiaohan to Guyu, and people choose a kind of flower to correspond to each season. Together, they are "twenty-four flower trade winds", and the wind drives the flowers to bloom. A message of warm spring.

　　"Jingchu Sui Shi Ji" records that Yushui Huaxin is "the cauliflower of the first season, the apricot flower of the second season, and the plum flower of the third season".

In ancient Chinese poems, many solar terms are mentioned, and many contain phenological knowledge.

　　Poems often entrust the author's emotions.

Su Shi once wrote such a poem, "Three or two branches of peach blossoms outside the bamboo, the prophet of spring water and ducks", which described the scene of spring.

　　Yang Wanli wrote in "Xugong Store, Suxin City", "Children chase yellow butterflies in a hurry, and they fly into cauliflowers and have nowhere to find them." The children chased the flying butterflies, but the butterflies flew into the cauliflower bushes, and they were hard to find. .

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